September 29, 2025 - With our latest model, Claude Sonnet 4.5, these capabilities enable developers to build AI agents capable of handling long-running tasks at higher performance and without hitting context limits or losing critical information.

September 29, 2025 - Teams can explore and validate ... known for. Sonnet 4.5 represents a new generation of coding models. It's surprisingly efficient at maximizing actions per context window through parallel tool execution, for example running multiple bash commands at once....

September 29, 2025 - Claude Sonnet 4.5 and Claude Haiku 4.5 feature context awareness, enabling these models to track their remaining context window (i.e. “token budget”) throughout a conversation.

1 month ago - Advanced context management: Sonnet 4.5 maintains exceptional state tracking in external files, preserving goal-orientation across sessions. Combined with more effective context window usage and our new context management API features, the model optimally handles information across extended sessions to maintain coherence over time.

November 11, 2025 - The context window is Claude's memory capacity for a single conversation. It includes your messages, Claude's responses, file contents, and tool outputs. Most Claude models have a 200K token context window, but Claude Sonnet 4.5 via API offers ...

September 30, 2025 - Extended memory is the notebook ... of 2025‑09‑30, Anthropic states that Claude Sonnet 4 and 4.5 can support very large windows in developer environments....

September 29, 2025 - Claude Sonnet 4.5 by Anthropic is now available in Cline. With a 200k context window at the same $3/$15 pricing as Sonnet 4, this update doubles down on reliability, terseness, and stateful project memory — and Cline is the ideal environment to unlock it.

September 29, 2025 - Sonnet 4.5 features in the Amazon Bedrock API Here are some highlights of Sonnet 4.5 in the Amazon Bedrock API: Smart Context Window Management – The new API introduces intelligent handling when AI models reach their maximum capacity.

September 29, 2025 - Sonnet 4.5 is efficient at maximizing actions per context window through parallel tool execution -running multiple bash commands at once, reading several files simultaneously, that sort of thing.

October 3, 2025 - Discover what’s new in Anthropic’s Claude 4.5 update: Sonnet 4.5, Claude Code v2, Agent SDK, context tools, and progress on GenUI.

Claude Sonnet 4.5 and Claude Haiku 4.5 feature context awareness, enabling these models to track their remaining context window (i.e. "token budget") throughout a conversation. This enables Claude to execute tasks and manage context more effectively ...

We cannot provide a description for this page right now

September 30, 2025 - Compared to GPT-5 and Gemini 2.5 ... success rates among tested models · Competitive context window size: 200k tokens with intelligent summarization...

Hybrid reasoning model that pushes the frontier for coding and AI agents, featuring a 200K context window ... Claude Opus 4.5 is our most intelligent model to date. It sets a new standard across coding, agents, computer use, and enterprise workflows.

October 1, 2025 - One underappreciated aspect of Claude Sonnet 4.5 is its context window size and how effectively it maintains coherence across that context. Modern codebases are massive — millions of lines across thousands of files.

September 29, 2025 - Claude Sonnet 4.5 is excellent at software development tasks, learning our codebase patterns to deliver precise implementations. It handles everything from debugging to architecture with deep contextual understanding, transforming our development velocity.

1 month ago - 4: A fetch-enabled version of BrowseComp-Plus. Specifically, the improvement was from 70.48% without using the combination of techniques to 85.30% using it. ... All evals were run with a 64K thinking budget, interleaved scratchpads, 200K context window, default effort ...